Engine - Rattle/Vibration/ Slight Oil Leak
Bulletin No.: 05-06-01-004Date: January 31, 2005
TECHNICAL
Subject:
Rattle/Vibration Noise from Under Hood, Slight Oil Leakage (Install Support Clip on Oil Level Indicator Tubes)
Models:
2003-2005 Chevrolet Express Van Models
2003-2005 GMC Savana Van Models
with 4.3L Engine (VIN X - RPO LU3)
Built Prior to VIN Breakpoint 51162843
Condition
Some customers may comment on a rattle or vibration type noise from under the hood. Some may also comment on a slight oil leakage.
Cause
Some oil level indicator ("dipstick") tubes on the models listed above may vibrate/crack and potentially leak oil over a period of time.
The natural frequency of the longer oil level indicator tube required for these models may cause a fatigue cracking over a period of time.
Correction
Install a clip, P/N 15991719, on the engine and transmission oil level indicator tubes for added support. Both tubes are side by side in this area. Position the clip 133 mm (5-1/4 in) from the top of the transmission oil level indicator tube with the solid face of the clip towards the front of the vehicle. Refer to the above illustration.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
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